Ideal Temperature for Hairy sunflower
Images of Hairy sunflower
Signs of Cold Stress in Hairy sunflower
Symptoms
Hairy sunflower tolerates cold well and flourishes optimally when temperatures exceed 65℉. In winter, it needs to stay above 50℉. If temperatures drop below 32℉, while no immediate winter changes might be apparent, spring may see reduced or absent sprouting.
Solutions
In spring, remove any sections that have not sprouted.
Signs of Heat Stress in Hairy sunflower
Symptoms
In summer, Hairy sunflower should be maintained below 77℉. When temperatures surpass 86℉, the plant's foliage might lighten, curl, become prone to sunburn, and in severe instances, the entire plant could wilt and desiccate.
Solutions
Remove any sun-damaged and dried-out portions. Relocate the plant to a spot offering protection from intense midday and afternoon sun, or use a shade fabric. Water the plant in the morning and evening to maintain soil moisture.
